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National Instruments Corp.
3
FP-CTR-500 and cFP-CTR-500
3. Using a number 2 Phillips screwdriver with a shank of at least
64 mm (2.5 in.) length, tighten the captive screws to 1.1 N
⋅
m
(10 lb
⋅
in.) of torque. The nylon coating on the screws prevents
them from loosening.
Figure 2.
Installing the cFP-CTR-500
Wiring the [c]FP-CTR-500
The FP-TB-
x
terminal base has connections for each FP-CTR-500
channel and for an external power supply to power the output
channels and field devices. The cFP-CB-
x
connector block
provides the same connections for the cFP-CTR-500. The V and
V
SUP
terminals are all internally connected, as are the C and COM
terminals.
Use a 10–30 VDC external power supply for the output channels.
The power supply must provide enough current to power all of the
loads on the output channels, up to 1 A per channel. Connect the
external power supply to multiple V and V
SUP
terminals and to
1
cFP I/O Module
2
Captive Screws
3
cFP Controller
4
Screw Holes
5
cFP Backplane
2
2
1
3
5
4
4